5) OPERATION
A. Control Keys
• HOLD Function
Set the ON/OFF/HOLD key to HOLD position to enter in
the Data Hold mode. In the Data Hold mode, the indicator
"H" is displayed and the last reading is hold on the display.
B. Operation Mode
1. Set the ON/OFF/HOLD key to the ON position to turn
on the instrument.
2. Set the RANGE key to the desired range.
3. Remove the protective cover of photosensor and place
it in horizontal position.
4. Keep a safe distance of the sensor to prevent shado-
ws over the sensor. The sensor is connected to the
instrument by 1.5m cable that allows the separation
between the user and the place of the measurement.
5. Read the measured value in the display. If the display
indicate "1" means that the measurement exceeded
the range, and it is necessary to change for a higher
range. In 100000lux range, OVER is indicated as over
range.
6. When finishing the measurements cover the photo-
sensor to protect it and turn off the instrument setting
the ON/OFF/HOLD key to OFF position.
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